--- service: i.root-servers.net start-period: '2014-02-23T00:00:00Z' end-period: '2014-02-24T00:00:03Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2295738386 dns-udp-queries-received-ipv6: 164067686 dns-tcp-queries-received-ipv4: 5183537 dns-tcp-queries-received-ipv6: 295826 dns-udp-responses-sent-ipv4: 2241672910 dns-udp-responses-sent-ipv6: 164145300 dns-tcp-responses-sent-ipv4: 5177726 dns-tcp-responses-sent-ipv6: 297392